Upstash QStash: Serverless Background Jobs Without the Infrastructure Pain

<h2> Stop Installing Redis Just to Run Background Jobs </h2> <p>Most Node.js apps reach for Redis the moment they need background jobs. But before you add that dependency, it's

<p>Your API endpoint sends an email, generates a PDF, and resizes an image. Response time: 8 seconds. Users rage-quit. Move heavy work to a background queue.</p> <h2> Basic Queue

<p>BullMQ needs Redis. Cron has no retries. <strong>I needed background jobs that can sleep for 48 hours, fan out to parallel workers, and survive server restarts</strong> —

<p>You add a recurring job to a Node.js service. It works on your laptop. Then you deploy three replicas, and all three run the job.</p> <p>Each process has its own timer. Without